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Phone Directory 815-787 Detail

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Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
815-787 Dekalb, IL Frontier North Dekalb Landline 05/18/1998

Other Series For Prefixes

815-7870###
815-7871###
815-7872###
815-7873###
815-7874###
815-7875###
815-7876###
815-7877###
815-7878###
815-7879###